MAX11129_12 Datasheet, PDF (10/36 Pages) Maxim Integrated Products – 3Msps, Low-Power, Serial 12-/10-Bit,8-/16-Channel ADCs

MAX11129–MAX11132
3Msps, Low-Power, Serial 12-/10-Bit,
8-/16-Channel ADCs
Typical Operating Characteristics (continued)
(MAX11131ATI+/MAX11132ATI+, T_A = +25°C, unless otherwise noted.)
GAIN ERROR vs. TEMPERATURE
3.0
2.0
1.0
0
-1.0
-2.0
-3.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
SNR AND SINAD
vs. ANALOG INPUT FREQUENCY
74.0
fSAMPLE = 3.0Msps
73.5
73.0
SNR
72.5
HISTOGRAM FOR 30,000 CONVERSIONS
(fSAMPLE = 3.0Msps)
35,000
30,000
29,994 CODE
HITS
25,000
20,000
15,000
10,000
5000
5 CODE
1 CODE
HITS
HIT
0
2045 2046 2047 2048 2049
OUTPUT CODE (DECIMAL)
THD vs. ANALOG INPUT FREQUENCY
-80
fSAMPLE = 3.0Msps
-85
-90
72.0
SINAD
-95
71.5
71.0
0
300 600 900 1200 1500
fIN (kHz)
-100
0
SFDR vs. ANALOG INPUT FREQUENCY
100
fSAMPLE = 3.0Msps
95
THD vs. INPUT RESISTANCE
-80
fSAMPLE = 3.0Msps
fIN = 500.0486kHz
-85
300 600 900 1200 1500
fIN (kHz)
500kHz SINE-WAVE INPUT
(8192-POINT FFT PLOT)
0
fSAMPLE = 3.0Msps
fIN = 500.0486kHz
-20
-40
90
-90
-60
AHD3 = -104.3dB
-80
AHD2 = -97.6dB
85
-95
-100
80
0
300 600 900 1200 1500
fIN (kHz)
-100
0
-120
100
200
300
400
0
300 600 900 1200 1500
RIN (I)
FREQUENCY (kHz)
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